Merge pull request 'add stellarium app' (#54) from feature/stellarium into main

Reviewed-on: #54

hosts/argon/configuration.nix

@@ -21,6 +21,7 @@
     ../../modules/nixos/protonvpn.nix
     ../../modules/nixos/services.nix
     ../../modules/nixos/settings.nix
+    ../../modules/nixos/stellarium.nix
     ../../modules/nixos/thunar.nix
     ../../modules/nixos/steam.nix
     ../../modules/nixos/users.nix

hosts/neon/configuration.nix

@@ -17,6 +17,7 @@
     ../../modules/nixos/sddm.nix
     ../../modules/nixos/services.nix
     ../../modules/nixos/settings.nix
+    ../../modules/nixos/stellarium.nix
     ../../modules/nixos/steam.nix
     ../../modules/nixos/users.nix
   ];

modules/nixos/stellarium.nix

@@ -0,0 +1,8 @@
+{ config, lib, pkgs, ... }:
+
+{
+  # install stellarium for stargazing and sky simulation
+  environment.systemPackages = with pkgs; [
+    stellarium
+  ];
+}